Select PDF files
or drop pdf files here
PDF files • Max 200 MB
What do you need to do next?
Protect PDF with Password Online Free
How to protect pdf
- Upload the PDF you want to protect.
- Enter and confirm a password.
- Click "Protect PDF" to encrypt the document. Recipients will need the password to open it.
Why use our protect pdf tool?
Password protection adds a layer of security to sensitive documents before sharing them via email or cloud storage. Our tool encrypts the PDF so that it cannot be opened without the correct password. This is essential for financial documents, contracts, medical records, and any file containing personal information. The encryption is applied using standard PDF security, compatible with all major PDF viewers.
Protect PDF FAQ
How strong is the encryption?
We use AES-128 encryption, which is the standard for PDF documents and is considered secure for most purposes.
Can I restrict printing or copying separately?
The current implementation sets a user password. Advanced permission controls (restrict print, restrict copy) are planned for a future update.